No one replied to this, because they found they needed all their breath for the climb. The stairs had become narrower and Zeb and the Wizard often had to help Jim pull the buggy from one step to another, or keep it from jamming against the rocky walls.

At last, however, a dim light appeared ahead of them, which grew clearer and stronger as they advanced.

“Thank goodness we’re nearly there!” panted the little Wizard.

Jim, who was in advance, saw the last stair before him and stuck his head above the rocky sides of the stairway. Then he halted, ducked down and began to back up, so that he nearly fell with the buggy onto the others.

“Let’s go down again!” he said, in his hoarse voice.

“Nonsense!” snapped the tired Wizard. “What’s the matter with you, old man?”